Please help with last two and confirm another two:
19ac - For some, handle is what's at the front of sentry box (5) S?ELE
22dn - Before entering youth made a make-shift fort (6) ?AER??
34ac - Cut nothing with poetically flat aboriginal language (5) - is this nadene?
35AC - Adult with endless profundity who gets the lapis philosophicus secret (5) - is this adept?
Thanks.